EULER, Leonhard (1707-1783). Methodus inveniendi lineas curvas maximi minimive proprietate gaudentes, sive solutio problematis isoperimetrici latissimo sensu accepti. Lausanne and Geneva: M.-M. Bousquet, 1744.

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EULER, Leonhard (1707-1783). Methodus inveniendi lineas curvas maximi minimive proprietate gaudentes, sive solutio problematis isoperimetrici latissimo sensu accepti. Lausanne and Geneva: M.-M. Bousquet, 1744.

4o (241 x 185 mm). Title printed in red and black, engraved title vignette, 5 folding engraved plates, woodcut head-piece and initial. (Minor browning to a few gatherings.) Contemporary calf, spine gilt (rubbed, small tear to foot of spine).

FIRST EDITION of Euler's most valuable contribution to mathematics in which he developed the concept of the calculus of variations. Dibner Heralds of Science 101; Grolier/Horblit 28; Norman 731.